Compound for cleaning and soldering metals.



UNITED STATES PATENT OFFICE.

JESSE H. YOUNG, OF FORT WAYNE, INDIANA.

SPECIFICATION forming part of Letters Patent No. 712,230, dated October28, 1902.

Application filed January 1 0, 1 9 02.

To aZZ whom i2; may concern:

Be it known that LJESSE H.YOUNG,a citizen of the United States, residingat Fort Wayne, in the county of Allen and State of Indiana, haveinvented a new and useful Composition of Matterto be Used for Cleaningand Solder ing Metals, particularly Jewelry, of which the following is aspecification.

My composition consists of the following ingredients combined in theproportions stated, viz: water, distilled, eight ounces; ammonia,one-half ounce; sal-ammoniac, ten grains; potassium cyanid, threeounces.

The above-named composition is intended for. use as an anti-oxidizer andin making hard-solder joints. It also serves as a pickel for cleaningmetal.

In using my composition for soldering the parts to be joined, togetherwith a piece of suitablesolder, are dipped into the fluid or the fluidmaybe applied, as with a brush. The 1neta1,with the solder in place,isheated gradually until the solder is about to flow, when additionalfluid is applied, as with a brush. Heat is then applied until the solderflows and completes the joint. Before the metal has cooled considerablyit maybe immersed in the fluid, in which event the metal will becomeSerial No. 89,123. (No specimens.)

cleansed from the usual tarnish and adhering foreign substances due tothe soldering "rings the article may be heated slightly and thenimmersed in the fluid.

What I claim, and desire to secure by Letters Patent of the UnitedStates, is-- 1. The herein-described composition of matter, consistingof water, ammonia, sal-ammoniac, and potassium cyanid, for the purpose2. The herein-described composition of matter for cleaning and preparingmetal for soldering, consisting of distilled water eight ounces, ammoniaone-half ounce, sal-ammoniac ten grains, and potassium cyanid threeounces, for the purpose specified.

In testimony whereof I affix my signature in presence of two witnesses.

JESSE H. YOUNG.

Witnesses:

FRANK J LANG, HELEN ROHRBACH.

